Comparative Antibacterial Studies On The Root, Stem Bark And Leaf Extracts Of Parkia Clappertoniana.

The Internet Journal of Alternative Medicine Pub Date : 2009-12-31 DOI:10.5580/298a

G. Adeshina, Om Onujagbe, J. Onaolapo

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引用次数: 7

Abstract

The research on medicinal plants is gradually gaining popularity due to millions of people depending on the use of different parts of these materials for various ailments.The antibacterial activity of hot and cold water and ethanolic extracts of the root, stem and leaf of Parkia clappertonia against Escherichia coli ATCC 11775, Pseudomonas aeruginosa ATCC10145, Staphylococcus aureus ATCC 12600 was evaluated using agar-well diffusion and agar dilution methods. All the organisms were susceptible to all the extracts with the diameter of zones of inhibition ranging between 14 mm – 27 mm for hot water extracts, 12 mm – 22 mm for cold water extracts and 12 mm – 25 mm for ethanolic extracts. The Minimum Inhibitory Concentrations ranged between 2.5 mg/ml – 20.0 mg/ml. The rate of kill of the test bacterial species by hot water extract was concentration dependent. Saponin, flavonoids, tannin, glycoside, alkaloid and anthraquinone were the phytochemical constituents detected from the Parkia clapatoniana root, stem and leaf extracts. The implications of these findings in the medicinal use of Parkia clapertoniana are discussed.

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百合花根、茎、皮、叶提取物抑菌性比较研究。

由于数以百万计的人依赖于使用这些材料的不同部分来治疗各种疾病，药用植物的研究正逐渐受到欢迎。采用琼脂孔扩散法和琼脂稀释法，比较热、冷水和根、茎、叶乙醇提取物对大肠埃希菌ATCC 11775、铜绿假单胞菌ATCC10145、金黄色葡萄球菌ATCC 12600的抑菌活性。所有生物对所有提取物均敏感，其抑制区直径为热水提取物14 mm ~ 27 mm，冷水提取物12 mm ~ 22 mm，乙醇提取物12 mm ~ 25 mm。最小抑制浓度范围为2.5 mg/ml - 20.0 mg/ml。热水浸提液对试验菌种的杀灭率呈浓度依赖性。从白头翁根、茎、叶提取物中检出皂苷、黄酮类、单宁、苷、生物碱和蒽醌等植物化学成分。本文讨论了这些发现在药用上的意义。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Internet Journal of Alternative Medicine

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